char* set_file(char *s);
void print_file_path();
void initialize_ts_array(int nodes_temp);
void set_ts_array(char *file_1, char *file_2, char *file_3, int iteration);
void delete_ts_array();
void print_ts_array();
void delete_file(char *s);
void rename_file(char *s1, char *s2);
void write_avg_ts_to_file();
